H Beam 1. Standard: JIS G3192 OR GB/T11263-2005 2. Grade: Q235/SS400/S235JR 3. Length: 6m-12m 4. Hot rolled H beam steelGrade: Q235B, Q235, Q345B, SS400, A36Standard: JIS/ ASTM/ GB/ BS/Length: 5.8m, 6m, 12m, or as the customers'requirements.Usage: 1.used for the plant, high-rise building construction 2.used for the bridge, shipment building 3.used for lifting and transportation machinery, ...